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Keywords: anisotropy
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Journal Articles
Article Type: Research-Article
J Biomech Eng. December 2022, 144(12): 121003.
Paper No: BIO-22-1105
Published Online: August 19, 2022
..., and κ is another dimensionless parameter that indicates dispersion in the range 0 to 1 / 3 , from perfectly anisotropy to perfect isotropy. The notation · in Eq. (1) denotes the Macaulay brackets. Equation (1) is only for the top layer of skin to account for anisotropic...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J Biomech Eng. November 2022, 144(11): 111010.
Paper No: BIO-22-1084
Published Online: July 18, 2022
... ,” Ann. Biomed. Eng. , 37 ( 4 ), pp. 813 – 823 . 10.1007/s10439-009-9655-8 [18] Kleinhans , K. L. , Jaworski , L. M. , Schneiderbauer , M. M. , and Jackson , A. R. , 2015 , “ Effect of Static Compressive Strain, Anisotropy, and Tissue Region on the Diffusion...
Journal Articles
Article Type: Research-Article
J Biomech Eng. October 2020, 142(10): 100801.
Paper No: BIO-20-1007
Published Online: August 31, 2020
... – 1052 . 10.1016/j.yjmcc.2008.03.014 e-mail:  jhutches@fiu.edu 1 These authors contributed equally. 02 01 2020 09 04 2020 31 08 2020 mouse aortic valve mechanics aortic valve anisotropy Understanding aortic valve (AV) mechanics is crucial...
Journal Articles
Article Type: Research-Article
J Biomech Eng. July 2020, 142(7): 071005.
Paper No: BIO-19-1033
Published Online: March 4, 2020
... to generate wave displacement data sufficient for anisotropic inversion in white matter. We show the presence of multiple unique waves from each excitation which we combine to solve for parameters of an incompressible, transversely isotropic (ITI) material: shear modulus, μ , shear anisotropy, ϕ , and tensile...
Journal Articles
Article Type: Research-Article
J Biomech Eng. December 2013, 135(12): 121010.
Paper No: BIO-13-1309
Published Online: November 6, 2013
... to be homogeneous and isotropic. The material anisotropy of the bone tissue likely only has a small influence on the overall anisotropy of trabecular bone at the apparent level since the apparent level anisotropy is primarily due to the trabecular structure [ 44–46 ] (i.e., structural anisotropy). Likewise...
Journal Articles
Article Type: Research-Article
J Biomech Eng. August 2013, 135(8): 081007.
Paper No: BIO-12-1510
Published Online: June 12, 2013
... in the literature. Finally, we discuss the implications of the model for collagen fiber orientation and deposition in arteries. biomechanics arterial wall axial stretch anisotropy biaxial testing modeling collagen fibers law of mixtures inverse identification It is known that arteries...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021004.
Paper No: BIO-12-1551
Published Online: February 11, 2013
... and cruciform biaxial specimens with multiple levels of anisotropy. A correction factor technique was introduced that can be used to calculate the stresses in the ROI from the measured experimental loads at the clamps. Application of a correction factor technique to experimental biaxial results may lead to more...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021025.
Paper No: BIO-12-1447
Published Online: February 7, 2013
... important issues: (1) tissue viscoelasticity; (2) the effects of longitudinal waves and rigid body motion on estimates of shear modulus; and (3) mechanical anisotropy. In the current study we extend the LFE technique to (1) estimate the (complex) viscoelastic shear modulus in lossy media; (2) eliminate...
Journal Articles
Article Type: Research Papers
J Biomech Eng. March 2012, 134(3): 031003.
Published Online: March 23, 2012
... coefficient, peak stress, and failure stress measured on uniaxial stress-strain curves. Uniaxial tests performed on excised strips allowed to measure the anisotropy in the corneal stiffness and to compare the stiffness of the cornea with the one of the sclera. Viscous properties of the cornea have been...
Topics: Cornea, Stress
Journal Articles
Article Type: Research Papers
J Biomech Eng. September 2011, 133(9): 091011.
Published Online: October 14, 2011
... applicable to soft tissues was presented and tested against simulated data. Here we demonstrate the ability of the method to identify regional differences in anisotropy from full-field displacements and boundary forces obtained from biaxial extension tests on soft tissue analogs. Tissue heterogeneity...
Journal Articles
Article Type: Research Papers
J Biomech Eng. June 2011, 133(6): 061002.
Published Online: June 16, 2011
... anisotropy nondestructive imaging modulus trabecular bone inverse problems Many tissues, such as cancellous bone, tendon, and arterial walls, are anisotropic materials that can display substantial variations in material properties even within a single anatomic site. For example, spatial...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. November 2010, 132(11): 114506.
Published Online: October 27, 2010
.... Sci. 0020-7225 , 35 ( 8 ), pp. 793 – 802 . 10.1016/S0020-7225(96)00119-X Huang , C. -Y. , Stankiewicz , A. , Ateshian , G. A. , and Mow , V. C. , 2005 , “ Anisotropy, Inhomogeneity, and Tension-Compression Nonlinearity of Human Glenohumeral Cartilage in Finite Deformation...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. May 2009, 131(5): 054505.
Published Online: April 13, 2009
... pulposus anisotropy compression tissue mechanics electrical behavior morphology scanning electron microscopy The intervertebral disk (IVD) of the spine plays a primarily mechanical role, supporting large compressive loads and allowing for spinal flexibility. The mechanical and transport...
Journal Articles
Article Type: Research Papers
J Biomech Eng. February 2009, 131(2): 021001.
Published Online: December 9, 2008
... and showed a marked anisotropy. The estimated elastic constants showed different degrees of anisotropy among secondary osteons of the same bone and these degrees of anisotropy were also found to be different than the one of cortical bone at the macroscopic level. Using the log-Euclidean norm, the relative...
Journal Articles
Article Type: Research Papers
J Biomech Eng. December 2008, 130(6): 061006.
Published Online: October 9, 2008
.../1.2796033 , 118 , pp. 473 – 481 . Pinsky , P. M. , van der Heide , D. , and Chernyak , D. , 2005 , “ Computational Modeling of Mechanical Anisotropy in the Cornea and Sclera ,” J. Cataract Refractive Surg. 0886-3350 10.1016/j.jcrs.2004.10.048 , 31 , pp. 136 – 145...
Journal Articles
Article Type: Research Papers
J Biomech Eng. August 2008, 130(4): 041020.
Published Online: July 2, 2008
... ( θ ) + sin 8 ( θ ) + 0.454 The parameters of the model include those for the fibril distribution function D ( θ , X ) , which determines the anisotropy of the stress response; the properties of the matrix, which include the shear modulus μ and γ related...
Journal Articles
Article Type: Research Papers
J Biomech Eng. June 2008, 130(3): 031017.
Published Online: May 6, 2008
... that shortcomings of the current models are, in part, due to unaccounted anisotropic properties of elastin. We extended our previously developed biomechanical model to account for elastin anisotropy. The experimental data were obtained from inflation-extension tests on facial veins of five young white New Zealand...
Journal Articles
Article Type: Research Papers
J Biomech Eng. April 2008, 130(2): 021023.
Published Online: April 11, 2008
... anisotropy on the magnitude and distribution of the peak wall stress in AAAs. Three-dimensional computer models of symmetric and asymmetric AAAs were generated in which the maximum diameter and length of the aneurysm were individually controlled. A five parameter exponential type structural strain-energy...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2007, 129(5): 642–650.
Published Online: February 15, 2007
...Stavros Thomopoulos; Gregory M. Fomovsky; Preethi L. Chandran; Jeffrey W. Holmes Many load-bearing soft tissues exhibit mechanical anisotropy. In order to understand the behavior of natural tissues and to create tissue engineered replacements, quantitative relationships must be developed between...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. June 2006, 128(3): 449–457.
Published Online: December 12, 2005
... 2005 12 12 2005 biomechanics biological tissues viscoelasticity curve fitting proteins molecular biophysics creep testing elasticity stress-strain relations nonlinear viscoelasticity anisotropy ligament soft tissues time discretization The ligaments are complex...